wood, willow variety (#852)

ID-number#852
Materialwood, willow variety
Classification ECN Phyllis classification ▸ untreated wood ▸ willow ▸ wood, willow variety
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [120] loofhout ▸ [122] zacht loofhout
Ash typeASTM D1102 600 oC
Submitter organisationECN (Netherlands)
RemarksState University of New York, Syracuse, air dried samples, stems, no leaves or fines, Salix clone SP3, 1-year-old, 3/16 to 5/16 inch diameter
LiteratureT. R. Miles, T. R. Miles,Jr, L. Baxter, R. W. Bryers, B. M. Jenkins and L. L. Oden: Alkali deposits found in biomass power plants. A preliminary investigation of their extend and nature, NREL/TP-433-8142, 82 p. (1995).

Values

Property Unit Value Std dev Det lim Lab Date Method Remarks
ar dry daf

Fuel Properties

Proximate Analysis
Moisture content wt% 9.71
Ash content wt% 1.08 1.20
Volatile matter wt% 74.99 83.05 84.06
Fixed carbon wt% 14.22 15.75 15.94 Calculated

Ultimate Analysis
Carbon wt% 45.41 50.29 50.90 Measured
Hydrogen wt% 5.43 6.01 6.08 Measured
Nitrogen wt% 0.45 0.50 0.51 Measured
Sulphur wt% 0.06 0.07 0.07 Measured
Oxygen wt% 37.85 41.92 42.43 Calculated
Total (with halides) wt% 99.99 99.99 99.99 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 16.83 18.90 19.13
Gross calorific value (HHV) MJ/kg 18.25 20.22 20.46
HHVMilne MJ/kg 18.05 19.99 20.23 Calculated

Chemical Analyses

Halides
Chlorine (Cl) mg/kg (dry) 100.0

Ash Properties

Ash composition
CO2 wt% (ash) 19.85
SO3 wt% (ash) 1.94
P2O5 wt% (ash) 12.90
SiO2 wt% (ash) 2.83
Fe2O3 wt% (ash) 0.42
Al2O3 wt% (ash) 0.12
CaO wt% (ash) 36.51
MgO wt% (ash) 1.54
Na2O wt% (ash) 1.97
K2O wt% (ash) 19.90
TiO2 wt% (ash) 0.06